/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.geode.codeAnalysis.decode;
import java.io.*;

import org.apache.geode.codeAnalysis.decode.cp.CpUtf8;


public class CompiledAttribute {
    int attribute_name_index;  // java predefines some but others are allowed, too
    long attribute_length;
    byte info[];
    String name;

    CompiledAttribute( DataInputStream source ) throws IOException {
        int idx;

        attribute_name_index = source.readUnsignedShort();
        attribute_length = source.readInt();
        info = new byte[(int)attribute_length];
        for (idx=0; idx<attribute_length; idx++) {
            info[idx] = (byte)source.readUnsignedByte();
        }
    }
    
    public String name(CompiledClass dclass) {
      if (name == null) {
        name = ((CpUtf8)dclass.constant_pool[attribute_name_index]).stringValue();
      }
      return name;
    }
}